673
FNCA52 TJSJ 150730
FWFSJU
FIRE WEATHER PLANNING FORECAST FOR PUERTO RICO
NATIONAL WEATHER SERVICE SAN JUAN PR
330 AM AST THU OCT 15 2026
DISCUSSION
NO FIRE DANGER IS EXPECTED TODAY.
PRZ014-152000-
SOUTHEAST COASTAL PLAINS-
330 AM AST THU OCT 15 2026
TODAY TONIGHT FRI
CLOUD COVER MCLEAR MCLEAR MCLEAR
PRECIP TYPE SHOWERS SHOWERS SHOWERS
CHANCE PRECIP (%) 30 20 40
TEMP (24H TREND) 89 (+1) 74 (-2) 90
RH % (24H TREND) 55 (-3) 89 (+1) 50
WIND 20FT/EARLY(MPH) E 14 NE 11 E 14
WIND 20FT/LATE(MPH) SE 16 NE 9 SE 17
MIXING HGT(FT-AGL/MSL)5060 5110
TRANSPORT WND (MPH) E 13 E 13
VENT RATE (KT-FT) 55660 56210
DISPERSION 5 5
DSI 6 3 6
RH RECOVERY EXCELLENT
REMARKS...NONE.
PRZ015-152000-
SOUTHERN HILLS-
330 AM AST THU OCT 15 2026
TODAY TONIGHT FRI
CLOUD COVER PCLDY MCLEAR PCLDY
PRECIP TYPE TSTMS SHOWERS TSTMS
CHANCE PRECIP (%) 50 40 60
TEMP (24H TREND) 87 (+3) 70 (-3) 88
RH % (24H TREND) 65 (-5) 98 (+5) 61
WIND 20FT/EARLY(MPH) E 11 NE 10 E 11
WIND 20FT/LATE(MPH) E 12 NE 9 SE 12
MIXING HGT(FT-AGL/MSL)5350 5740
TRANSPORT WND (MPH) E 10 E 10
VENT RATE (KT-FT) 48150 51660
DISPERSION 5 5
DSI 6 2 6
RH RECOVERY EXCELLENT
REMARKS...NONE.
PRZ016-152000-
NORTH COASTAL PLAINS-
330 AM AST THU OCT 15 2026
TODAY TONIGHT FRI
CLOUD COVER PCLDY PCLDY PCLDY
PRECIP TYPE SHOWERS SHOWERS SHOWERS
CHANCE PRECIP (%) 40 50 30
TEMP (24H TREND) 88 (+1) 73 (-4) 90
RH % (24H TREND) 67 (-5) 97 (+4) 63
WIND 20FT/EARLY(MPH) E 12 E 13 E 12
WIND 20FT/LATE(MPH) NE 14 E 11 E 17
MIXING HGT(FT-AGL/MSL)4770 4930
TRANSPORT WND (MPH) E 14 E 14
VENT RATE (KT-FT) 57240 59160
DISPERSION 5 5
DSI 6 5 6
RH RECOVERY EXCELLENT
REMARKS...NONE.
PRZ017-152000-
NORTHERN HILLS-
330 AM AST THU OCT 15 2026
TODAY TONIGHT FRI
CLOUD COVER PCLDY PCLDY PCLDY
PRECIP TYPE TSTMS SHOWERS TSTMS
CHANCE PRECIP (%) 60 30 50
TEMP (24H TREND) 87 (+1) 71 (-3) 89
RH % (24H TREND) 69 (-2) 99 (+3) 64
WIND 20FT/EARLY(MPH) E 11 E 11 E 11
WIND 20FT/LATE(MPH) NE 12 E 10 NE 13
MIXING HGT(FT-AGL/MSL)4990 5190
TRANSPORT WND (MPH) E 12 E 12
VENT RATE (KT-FT) 49900 51900
DISPERSION 5 5
DSI 6 3 6
RH RECOVERY EXCELLENT
REMARKS...NONE.
PRZ018-152000-
WEST COAST-
330 AM AST THU OCT 15 2026
TODAY TONIGHT FRI
CLOUD COVER PCLDY PCLDY PCLDY
PRECIP TYPE TSTMS TSTMS TSTMS
CHANCE PRECIP (%) 90 70 80
TEMP (24H TREND) 90 (+1) 72 (-2) 92
RH % (24H TREND) 67 (-2) 98 (+4) 62
WIND 20FT/EARLY(MPH) E 12 E 14 E 10
WIND 20FT/LATE(MPH) SE 10 E 12 SE 10
MIXING HGT(FT-AGL/MSL)4470 4190
TRANSPORT WND (MPH) E 7 E 6
VENT RATE (KT-FT) 26820 20950
DISPERSION 5 5
DSI 6 3 6
RH RECOVERY EXCELLENT
REMARKS...NONE.
PRZ019-152000-
EASTERN INTERIOR-
330 AM AST THU OCT 15 2026
TODAY TONIGHT FRI
CLOUD COVER PCLDY PCLDY PCLDY
PRECIP TYPE SHOWERS SHOWERS SHOWERS
CHANCE PRECIP (%) 40 40 30
TEMP (24H TREND) 88 (+2) 72 (-3) 89
RH % (24H TREND) 65 (-3) 97 (+3) 61
WIND 20FT/EARLY(MPH) E 11 E 10 E 10
WIND 20FT/LATE(MPH) E 10 E 10 E 11
MIXING HGT(FT-AGL/MSL)5680 6310
TRANSPORT WND (MPH) E 12 E 12
VENT RATE (KT-FT) 56800 63100
DISPERSION 5 5
DSI 6 2 6
RH RECOVERY EXCELLENT
REMARKS...NONE.
PRZ022-152000-
LUQUILLO MOUNTAIN RANGE-
330 AM AST THU OCT 15 2026
TODAY TONIGHT FRI
CLOUD COVER PCLDY PCLDY PCLDY
PRECIP TYPE SHOWERS SHOWERS TSTMS
CHANCE PRECIP (%) 50 50 50
TEMP (24H TREND) 85 (+3) 70 (-3) 85
RH % (24H TREND) 67 (-6) 99 (+2) 64
WIND 20FT/EARLY(MPH) E 8 E 8 E 9
WIND 20FT/LATE(MPH) E 9 E 8 E 10
MIXING HGT(FT-AGL/MSL)4380 4650
TRANSPORT WND (MPH) E 10 E 12
VENT RATE (KT-FT) 39420 46500
DISPERSION 5 5
DSI 6 3 6
RH RECOVERY EXCELLENT
REMARKS...NONE.
PRZ023-152000-
CENTRAL MOUNTAIN RANGE-
330 AM AST THU OCT 15 2026
TODAY TONIGHT FRI
CLOUD COVER PCLDY MCLEAR PCLDY
PRECIP TYPE TSTMS SHOWERS TSTMS
CHANCE PRECIP (%) 90 40 80
TEMP (24H TREND) 85 (+4) 68 (-4) 87
RH % (24H TREND) 71 (-4) 99 (+4) 65
WIND 20FT/EARLY(MPH) E 9 E 11 E 8
WIND 20FT/LATE(MPH) E 8 E 9 E 9
MIXING HGT(FT-AGL/MSL)5240 6310
TRANSPORT WND (MPH) E 9 E 8
VENT RATE (KT-FT) 41920 44170
DISPERSION 5 5
DSI 6 2 6
RH RECOVERY EXCELLENT
REMARKS...NONE.
PRZ024-152000-
CAYEY MOUNTAIN RANGE-
330 AM AST THU OCT 15 2026
TODAY TONIGHT FRI
CLOUD COVER MCLEAR PCLDY MCLEAR
PRECIP TYPE SHOWERS SHOWERS SHOWERS
CHANCE PRECIP (%) 40 40 30
TEMP (24H TREND) 85 (+2) 71 (-2) 86
RH % (24H TREND) 66 (-4) 98 (+1) 62
WIND 20FT/EARLY(MPH) E 10 NE 8 E 9
WIND 20FT/LATE(MPH) E 10 NE 6 E 11
MIXING HGT(FT-AGL/MSL)5260 5390
TRANSPORT WND (MPH) E 13 E 13
VENT RATE (KT-FT) 57860 59290
DISPERSION 5 5
DSI 6 2 6
RH RECOVERY EXCELLENT
REMARKS...NONE.
PRZ025-152000-
VIEQUES-
330 AM AST THU OCT 15 2026
TODAY TONIGHT FRI
CLOUD COVER PCLDY PCLDY PCLDY
PRECIP TYPE SHOWERS SHOWERS SHOWERS
CHANCE PRECIP (%) 30 50 30
TEMP (24H TREND) 89 (0) 77 (-2) 90
RH % (24H TREND) 61 (-2) 87 (+1) 58
WIND 20FT/EARLY(MPH) E 13 E 13 E 12
WIND 20FT/LATE(MPH) E 11 E 13 E 12
MIXING HGT(FT-AGL/MSL)3370 3370
TRANSPORT WND (MPH) E 16 E 14
VENT RATE (KT-FT) 47180 40440
DISPERSION 5 5
DSI 6 6 6
RH RECOVERY EXCELLENT
REMARKS...NONE.
PRZ026-152000-
CULEBRA-
330 AM AST THU OCT 15 2026
TODAY TONIGHT FRI
CLOUD COVER PCLDY PCLDY PCLDY
PRECIP TYPE SHOWERS SHOWERS SHOWERS
CHANCE PRECIP (%) 40 50 30
TEMP (24H TREND) 91 (+2) 79 (-2) 91
RH % (24H TREND) 60 (-5) 88 (+3) 57
WIND 20FT/EARLY(MPH) E 12 E 13 E 11
WIND 20FT/LATE(MPH) E 11 E 13 E 12
MIXING HGT(FT-AGL/MSL)3370 3230
TRANSPORT WND (MPH) E 16 E 14
VENT RATE (KT-FT) 47180 38760
DISPERSION 5 5
DSI 6 6 6
RH RECOVERY EXCELLENT
REMARKS...NONE.
PRZ027-152000-
SOUTHWEST COASTAL PLAINS AND MONA ISLAND-
330 AM AST THU OCT 15 2026
TODAY TONIGHT FRI
CLOUD COVER PCLDY MCLEAR MCLEAR
PRECIP TYPE TSTMS SHOWERS TSTMS
CHANCE PRECIP (%) 80 60 60
TEMP (24H TREND) 90 (+1) 74 (-2) 92
RH % (24H TREND) 55 (-5) 94 (+6) 51
WIND 20FT/EARLY(MPH) E 12 NE 13 E 12
WIND 20FT/LATE(MPH) E 14 NE 12 SE 14
MIXING HGT(FT-AGL/MSL)4870 4770
TRANSPORT WND (MPH) E 10 E 9
VENT RATE (KT-FT) 43830 38160
DISPERSION 5 5
DSI 6 2 6
RH RECOVERY EXCELLENT
REMARKS...NONE.
VIZ001-152000-
SAINT THOMAS AND SAINT JOHN-
330 AM AST THU OCT 15 2026
TODAY TONIGHT FRI
CLOUD COVER PCLDY PCLDY MCLEAR
PRECIP TYPE SHOWERS SHOWERS SHOWERS
CHANCE PRECIP (%) 30 50 20
TEMP (24H TREND) 88 (+1) 77 (-2) 89
RH % (24H TREND) 63 (-5) 88 (+1) 61
WIND 20FT/EARLY(MPH) E 12 E 14 E 11
WIND 20FT/LATE(MPH) E 11 E 13 E 11
MIXING HGT(FT-AGL/MSL)3340 3300
TRANSPORT WND (MPH) E 15 E 14
VENT RATE (KT-FT) 43420 39600
DISPERSION 5 5
DSI 6 6 6
RH RECOVERY EXCELLENT
REMARKS...NONE.
VIZ002-152000-
ST CROIX-
330 AM AST THU OCT 15 2026
TODAY TONIGHT FRI
CLOUD COVER MCLEAR PCLDY MCLEAR
PRECIP TYPE SHOWERS SHOWERS SHOWERS
CHANCE PRECIP (%) 20 50 30
TEMP (24H TREND) 89 (+2) 77 (-1) 90
RH % (24H TREND) 66 (-4) 91 (-1) 62
WIND 20FT/EARLY(MPH) E 12 E 12 E 11
WIND 20FT/LATE(MPH) E 11 E 12 E 11
MIXING HGT(FT-AGL/MSL)4450 4460
TRANSPORT WND (MPH) E 15 E 15
VENT RATE (KT-FT) 57850 57980
DISPERSION 5 5
DSI 6 6 6
RH RECOVERY EXCELLENT
REMARKS...NONE.
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